fix : call make_shared

include/mapnik/text/evaluated_format_properties_ptr.hpp

@@ -28,7 +28,7 @@
 namespace mapnik { namespace detail {
 struct evaluated_format_properties;
 }
-using evaluated_format_properties_ptr = std::unique_ptr<detail::evaluated_format_properties>;
+using evaluated_format_properties_ptr = std::shared_ptr<detail::evaluated_format_properties>;
 }
 
 #endif // EVALUATED_FORMAT_PROPERTIES_PTR_HPP

include/mapnik/text/glyph_info.hpp

@@ -54,7 +54,7 @@ struct glyph_info : util::noncopyable
     glyph_info(glyph_info && rhs)
         : glyph_index(std::move(rhs.glyph_index)),
           char_index(std::move(rhs.char_index)),
-          format(rhs.format), // take ref
+          format(std::move(rhs.format)), //shared_ptr
           face(std::move(rhs.face)), // shared_ptr move just ref counts, right?
           unscaled_ymin(std::move(rhs.unscaled_ymin)),
           unscaled_ymax(std::move(rhs.unscaled_ymax)),

src/text/text_layout.cpp

@@ -169,7 +169,7 @@ void text_layout::add_child(text_layout_ptr const& child_layout)
 
 evaluated_format_properties_ptr & text_layout::new_child_format_ptr(evaluated_format_properties_ptr const& p)
 {
-    format_ptrs_.emplace_back(std::make_unique<detail::evaluated_format_properties>(*p));
+    format_ptrs_.emplace_back(std::make_shared<detail::evaluated_format_properties>(*p));
     return format_ptrs_.back();
 }